/Users/yzchen/ns/ns-allinone-2.33/ns-2.33/trace/basetrace.h

/* -*-  Mode:C++; c-basic-offset:8; tab-width:8 -*- */
/*
 * Copyright (c) 1997 Regents of the University of California.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the MASH Research
 *      Group at the University of California Berkeley.
 * 4. Neither the name of the University nor of the Research Group may be
 *    used to endorse or promote products derived from this software without
 *    specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *

 */

#ifndef ns_basetrace_h
#define ns_basetrace_h

#include <math.h> //floor
#include "tcp.h"

class BaseTrace : public TclObject {
public:
        BaseTrace();
        ~BaseTrace();
        virtual int command(int argc, const char*const* argv);
        virtual void dump();
        virtual void namdump();
        inline char* buffer() { return wrk_ ; }
        inline char *nbuffer() {return nwrk_; }

        inline Tcl_Channel channel() { return channel_; }
        inline void channel(Tcl_Channel ch) {channel_ = ch; }

        inline Tcl_Channel namchannel() { return namChan_; }
        inline void namchannel(Tcl_Channel namch) {namChan_ = namch; }

        void flush(Tcl_Channel channel) { Tcl_Flush(channel); }

        //Default rounding is to 6 digits after decimal
#define PRECISION 1.0E+6
        //According to freeBSD /usr/include/float.h 15 is the number of digits 
        // in a double.  We can specify all of them, because we're rounding to
        // 6 digits after the decimal and and %g removes trailing zeros.
#define TIME_FORMAT "%.15g"
        // annoying way of tackling sprintf rounding platform 
        // differences :
        // use round(Scheduler::instance().clock()) instead of 
        // Scheduler::instance().clock().
        
        static double round (double x, double precision=PRECISION) {
                return (double)floor(x*precision + 0.5)/precision;
        }

        inline bool tagged() { return tagged_; }
        inline void tagged(bool tag) { tagged_ = tag; }
        
protected:
        Tcl_Channel channel_;
        Tcl_Channel namChan_;
        char *wrk_;
        char *nwrk_;
        bool tagged_;
};

class EventTrace : public BaseTrace {
public:
        EventTrace() : BaseTrace() {}
        virtual void trace();
};

#endif // BaseTrace